110100120020 has 96 divisors (see below), whose sum is σ = 264964089600. Its totient is φ = 38038415360.

The previous prime is 110100120019. The next prime is 110100120023. The reversal of 110100120020 is 20021001011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110100120023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 680924 + ... + 826956.

It is an arithmetic number, because the mean of its divisors is an integer number (2760042600).

Almost surely, 2^110100120020 is an apocalyptic number.

110100120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110100120020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132482044800).

110100120020 is an abundant number, since it is smaller than the sum of its proper divisors (154863969580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

110100120020 is a wasteful number, since it uses less digits than its factorization.

110100120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146225 (or 146223 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 110100120020 its reverse (20021001011), we get a palindrome (130121121031).

The spelling of 110100120020 in words is "one hundred ten billion, one hundred million, one hundred twenty thousand, twenty".